Engine Blocks & Parts | Summit Racing

Dorman Expansion Plugs 550-023

Freeze Plugs, Steel, 1 5/8 in. Diameter, Set of 10

Part Number: RNB-550-023

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Dart Iron Eagle Mopar Gen III Cast Iron Bare Blocks 31622221

Engine Block, Cast Iron, 4-Bolt Mains, 4.090 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622221

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Iron Eagle Mopar Gen III Cast Iron Bare Blocks 31612311

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31612311

Not Yet Reviewed

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Dart Iron Eagle Mopar Gen III Cast Iron Bare Blocks 31622311

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622311

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Melling Cylinder Sleeves CSL407

Melling Cylinder Sleeves CSL407

Cylinder Sleeve, Cast Iron, 3.250 in. Bore I.D., 0.094 in. Wall Thickness, 9.250 in. Length, Each

Part Number: MEL-CSL407

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

ARP Main Stud Kits 247-5405

Main Studs, 2-Bolt Main, Dodge, Ram, Cummins, 6.7L, Kit

Part Number: ARP-247-5405

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Dorman Expansion Plugs 557-009

Expansion Plugs, Steel, Ford, Lincoln, Mercury, Kit

Part Number: RNB-557-009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Melling Cylinder Sleeves CSL230

Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.125 in. Wall Thickness, 6.750 in. Length, Each

Part Number: MEL-CSL230

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

ARP Main Cap Fasteners 234-5611

SB Chevy LS1 CA625+ main stud kit

Part Number: ARP-234-5611

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Melling Cylinder Sleeves CSL329F

Cylinder Sleeves, CYLINDER SLEEVE (4.375x 4.629x 8.125-4.740)

Part Number: MEL-CSL329F

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Summit Racing™ Transmission Alignment Guide Pins SUM-917053

Bellhousing Install, Alignment tool/ Dowel Pin, 3 in. Length, 0.375 in. Diameter, M10 x 1.50 in., Pair

Part Number: SUM-917053

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Expansion Plugs 02603

Expansion Plug, Rubber, 1 1/2 in. to 1 5/8 in., Each

Part Number: RNB-02603

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Melling Engine Expansion Plug Kits MPE-102R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

Not Yet Reviewed

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PRW Billet Steel Main Girdles 9045401

Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each

Part Number: PQX-9045401

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dart Big M2 Big Block Chevy Cast Iron Bare Blocks 31213454

Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.500 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213454

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

ARP High Performance Series Main Bolts 260-5401

Main/Case Bolts, Pro Series, 2-Bolt Main, Hex Head, Subaru, 2.0, 2.2, 2.5L, Kit

Part Number: ARP-260-5401

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

ARP Main Stud Kits 154-5602

Main Studs, 4-Bolt Main, Ford, Boss 302, with Windage Tray, Kit

Part Number: ARP-154-5602

Not Yet Reviewed

Estimated Ship Date: Today

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World Products Merlin IV Engine Blocks 095112-55

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.595 in. Bore, Splayed Billet Caps, 55mm Babbit Cam Bearings and 0.904 Lifter, Each

Part Number: WRL-095112-55

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Melling Cylinder Sleeves CSL273

Cylinder Sleeve, Cast Iron, 3.780 in. Bore I.D., 0.125 in. Wall Thickness, 5.500 in. Length, Each

Part Number: MEL-CSL273

Not Yet Reviewed

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Melling Cylinder Sleeves CSL419A

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.094 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL419A

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Pioneer Performance Freeze Plugs EPC-18-B-10

Engine Expansion Plugs, Brass, 0.435 in. Depth, 1.250 in. O.D., Set of 10

Part Number: PIO-EPC-18-B-10

Not Yet Reviewed

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PRW Main Cap Girdles 0944800

Main Cap Girdle, Steel, Black Oxide, Hardware Included, Ford, Kit

Part Number: PQX-0944800

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Dorman Expansion Plugs 555-049

Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Expansion Plugs 557-001

Expansion Plugs, Steel, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-557-001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212194

Engine Block, Bare, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 2-Piece Rear Main Seal, 10.200 in. Tall Deck, Chevy, Big Block, Each

Part Number: NAL-19212194

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today